工作中一些常用到的代碼記錄下來，方便自己查找也方便其他需要人士參考。
廢話不多說，這是一個向上向下排序的功能，首先使用存儲過程 整好 如下：
SQL:
-- =============================================
-- Author:
-- Create date:
-- Description:
-- =============================================
ALTER PROCEDURE [dbo].[sp_BannerOrder]
-- Add the parameters for the stored procedure here
(
@tablename nvarchar(50), --表名
@colname nvarchar(50), --排序字段
@keyid nvarchar(50), --表主鍵字段
@keyidvalue int, --表主鍵字段值1
@order nvarchar(20), -- 列表默認的排序方式，asc或desc
@orderDirection nvarchar(20), --排序方向，up或down
@where nvarchar(2000) --查詢條件
)
AS
BEGIN
declare @ordertmp1 int; --臨時排序值id1
declare @ordertmp2 int; --臨時排序值id2
declare @tmpkeyidvaule nvarchar(50);
declare @sql nvarchar(2000);
DECLARE @ParmDefinition nvarchar(500);
DECLARE @ParmDefinition2 nvarchar(500);
if @order='asc'
begin
SET @sql = N'SELECT @ordertmp1OUT='+@colname+' from '+@tablename+' where '+@keyid+'='+cast(@keyidvalue as nvarchar(50));
SET @ParmDefinition = N'@ordertmp1OUT nvarchar(20) OUTPUT';
EXECUTE sp_executesql @sql, @ParmDefinition, @ordertmp1OUT=@ordertmp1 OUTPUT;
if @orderDirection='up'
begin
SET @sql = N'SELECT top 1 @ordertmp2OUT='+@colname+',@tmpkeyidvauleOUT='+@keyid+' from '+@tablename+' where '+@colname+'<'+cast(@ordertmp1 as nvarchar(50))+' and '+@where+' order by '+@colname+' desc';
end
else
begin
SET @sql = N'SELECT top 1 @ordertmp2OUT='+@colname+',@tmpkeyidvauleOUT='+@keyid+' from '+@tablename+' where '+@colname+'>'+cast(@ordertmp1 as nvarchar(50))+' and '+@where+' order by '+@colname+' asc';
end
SET @ParmDefinition = N'@ordertmp2OUT nvarchar(20) OUTPUT, @tmpkeyidvauleOUT nvarchar(20) OUTPUT';
EXECUTE sp_executesql @sql, @ParmDefinition, @ordertmp2OUT=@ordertmp2 OUTPUT, @tmpkeyidvauleOUT=@tmpkeyidvaule OUTPUT;
end
else
begin
SET @sql = N'SELECT @ordertmp1OUT='+@colname+' from '+@tablename+' where '+@keyid+'='+cast(@keyidvalue as nvarchar(50));
SET @ParmDefinition = N'@ordertmp1OUT nvarchar(20) OUTPUT';
EXECUTE sp_executesql @sql, @ParmDefinition, @ordertmp1OUT=@ordertmp1 OUTPUT;
if @orderDirection='up'
begin
SET @sql = N'SELECT top 1 @ordertmp2OUT='+@colname+',@tmpkeyidvauleOUT='+@keyid+' from '+@tablename+' where '+@colname+'>'+cast(@ordertmp1 as nvarchar(50))+' and '+@where+' order by '+@colname+' asc';
end
else
begin
SET @sql = N'SELECT top 1 @ordertmp2OUT='+@colname+',@tmpkeyidvauleOUT='+@keyid+' from '+@tablename+' where '+@colname+'<'+cast(@ordertmp1 as nvarchar(50))+' and '+@where+' order by '+@colname+' desc';
end
SET @ParmDefinition = N'@ordertmp2OUT nvarchar(20) OUTPUT, @tmpkeyidvauleOUT nvarchar(20) OUTPUT';
EXECUTE sp_executesql @sql, @ParmDefinition, @ordertmp2OUT=@ordertmp2 OUTPUT, @tmpkeyidvauleOUT=@tmpkeyidvaule OUTPUT;
end
set @sql = 'update '+@tablename+' set '+@colname+'='+cast(@ordertmp2 as nvarchar(50))+' where '+@keyid+'='+cast(@keyidvalue as nvarchar(50));
set @sql = @sql + ' update '+@tablename+ ' set '+@colname+'='+cast(@ordertmp1 as nvarchar(50))+' where '+@keyid+'='+cast(@tmpkeyidvaule as nvarchar(50));
--select @ordertmp1,@ordertmp2,@tmpkeyidvaule,@sql
exec(@sql);
END
MODEL：
public class Banner
{
public Banner()
{ }
private int _id;
private string _smallPic;
private string _bigPic;
private int _orderid;
private string _url;
private string _title;
private string _descript;
//字增量ID
public int ID
{
get { return this._id; }
set { this._id = value; }
}
//BANNER小圖
public string SmallPic
{
get { return this._smallPic; }
set { this._smallPic = value; }
}
///
/// BANNER大圖 ///
public string BigPic
{
get { return this._bigPic; }
set { this._bigPic = value; }
}
///
/// 排序ID ///
public int OrderId
{
get { return this._orderid; }
set { this._orderid = value; }
}
///
/// URL地址 ///
public string Url
{
get { return this._url; }
set { this._url = value; }
}
///
/// 標題 ///
public string Title
{
get { return this._title; }
set { this._title = value; }
}
///
/// 描述 ///
public string Descript
{
get { return this._descript; }
set { this._descript = value; }
}
}
IDAL代碼:
/// 排序
///
/// 表名
/// 排序字段
/// 表主鍵字段
/// 表主鍵字段值
/// 列表默認的排序方式，asc或desc
/// 排序方向，up或down
/// 條件
///
int Order(string table,string colname,string keyid,int keyidvalue,string order,string orderDirection,string whe);
SQLDAL代碼：
public int Order(string table,string colname,string keyid,int keyidvalue,string order,string orderDirection,string whe)
{
SqlParameter[] paras = {
new SqlParameter("@tablename", table),
new SqlParameter("@colname",colname),
new SqlParameter("@keyid",keyid),
new SqlParameter("@keyidvalue",keyidvalue),
new SqlParameter("@order",order),
new SqlParameter("@orderDirection",orderDirection),
new SqlParameter("@where",whe)
};
return Convert.ToInt32( SqlHelper.ExecuteNonQuery(Configuration.ConnectionString, CommandType.StoredProcedure, "sp_BannerOrder", paras));
BLL代碼:
public int Order(string table, string colname, string keyid, int keyidvalue, string order, string orderDirection, string whe)
{
return bner.Order(table, colname, keyid, keyidvalue, order, orderDirection, whe);
}
WEB:
aspx代碼:
<%@ Page Language="C#" MasterPageFile="~/Admin/Masterpage/Page.Master" AutoEventWireup="true" CodeBehind="Banner.aspx.cs" Inherits="YXShop.Web.Admin.Article.Banner" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<%@ Register assembly="FredCK.FCKeditorV2" namespace="FredCK.FCKeditorV2" tagprefix="FCKeditorV2" %>
前台Banner管理
標 題： 最多可填寫15個字 描 述： 最多可填寫20個字 上傳小圖：
ErrorMessage="請選擇圖片!">
上傳大圖：
ErrorMessage="請選擇圖片!">
排 序：
ControlToValidate="txborder" ErrorMessage="不能為空!">
鏈接地址：
ControlToValidate="txbUrl" ErrorMessage="不能為空!">
ControlToValidate="txbUrl" ErrorMessage="填寫的地址不符合規格"
ValidationExpression="http(s)?://([w-]+.)+[w-]+(/[w- ./?%&=]*)?">
onclick="btnOK_Click" />
onrowdatabound="gvwBannner_RowDataBound" BackColor="White" DataKeyNames="ID"
BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" CellPadding="3"
GridLines="Horizontal" onrowcancelingedit="gvwBannner_RowCancelingEdit"
onrowdeleting="gvwBannner_RowDeleting" onrowediting="gvwBannner_RowEditing"
onrowupdating="gvwBannner_RowUpdating" AllowSorting="True" Width="551px">
<%--
DataAlternateTextFormatString="這是{0}的圖" DataImageUrlField="smallPic"
HeaderText="圖片">
--%>
Text="向上" onclick="Button1_Click" />
Text="向下" OnClick="Button2_Click" />
CommandName="Delete" Text="刪除" OnClientClick="return confirm('是否刪除?');" >
CS代碼:
protected void Button1_Click(object sender, EventArgs e)
{
int keyidvlue = Convert.ToInt32(gvwBannner.DataKeys[((GridViewRow)((Button)sender).NamingContainer).RowIndex].Value); //獲取主鍵值
int row = Convert.ToInt32(((GridViewRow)((Button)sender).NamingContainer).RowIndex);//獲取行號
if (row == 0)
{
YXShop.Common.alert.show("已經最前了!");
}
else
{
bll.Order("banner", "orderid", "id", keyidvlue, "desc", "up", "1=1");
this.Bind();
}
}
//向下
protected void Button2_Click(object sender, EventArgs e)
{
//int keyidvlue = ((GridViewRow)((Button)sender).NamingContainer).RowIndex;
int keyidvlue = Convert.ToInt32(gvwBannner.DataKeys[((GridViewRow)((Button)sender).NamingContainer).RowIndex].Value);
int row1 = Convert.ToInt32(((GridViewRow)((Button)sender).NamingContainer).RowIndex);
if (row1 == this.gvwBannner.Rows.Count-1)
{
YXShop.Common.alert.show("已經最後了!");
}
else
{
bll.Order("banner", "orderid", "id", keyidvlue, "desc", "down", "1=1");
this.Bind();
}
}
至此完畢。
